/* Kimi 风格 - 商业简约淡蓝白色主题 */

.stApp {
    background: linear-gradient(rgba(244, 248, 251, 0.7), rgba(244, 248, 251, 0.7)),
                    url("/background.jpg")
                    no-repeat center center fixed;
    background-size: cover;
        color: #1c1c1e;
}
h1 {
    font-size: 2.4rem;
    color: #007aff;
    margin-bottom: 0.5rem;
}

p {
    color: #555;
}

.header-card {
    background: white;
    padding: 2rem;
    margin-bottom: 1rem;
    border-radius: 16px;
    text-align: center;
}

.card {
    background: white;
    padding: 1.5rem;
    margin: 1rem 0;
    border-radius: 16px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.stTextArea textarea {
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding: 1rem;
    background-color: #fafafa;
    transition: 0.2s ease;
}

.stTextArea textarea:focus {
    outline: none;
    border-color: #007aff;
    box-shadow: 0 0 0 3px rgba(0,122,255,0.1);
}

.stButton > button {
    background: #007aff;
    color: white;
    font-weight: 600;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 10px;
    transition: 0.2s ease;
}

.stButton > button:hover {
    background: #3399ff;
    transform: scale(1.02);
}
